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Hi,
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1. Put the newly cut Master key into the keyway and turn it to the ON (RUN) position. A "security" indicator light on the dashboard will stay on for 10 minutes. 2. Within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON (RUN) position. The indicator light again will stay on for 10 minutes (Do not remove the key.) 3. Again, within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON (RUN) position. The indicator light again will stay on for 10 minutes. (Do not remove the key.) 4. When the light goes off the third time, the new key is programmed into the computer and will start the car. Remove the key and then re-insert it into the ignition lock and start the car. All previously stored codes will be erased. To stop the process at any time, simply remove the key and use an existing key to start the car.

my wife locked her keys in and it is the only set. we have a 1994 ford explorer eddie baure edition. it is equiped with an anti theft system on it . if u or someone else has jimmyed the lock on one of the doors that may be your problem. on the lock is a senser and if that senser is not on there then the alarm will go off every time you open that door. so you have to take the door panal off and put it back on. if you don't know how to put it back on then take the opposite door panal off to see how it goes on. hope that helps you out

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Hi Melissa , why do you want to do a reset ? Vehicle not cranking over - engine not turning over ? When you try to start it is the red light on top of the dash flashing faster then with key off ? When key off a flash will happen every 2 seconds ! When trying to start it flashes very fast. If having a anti-theft problem the starter will not engage !

I looked at your security system, it is starter motor disable and fuel injectors. You can usually get the starter crank, but, if it is the security system, it still won't start because of fuel injectors. I don't know any way to bypass security system. You can check for applicable trouble codes, if there are any?

If code 53 involves the PASS system for your car, the chip in the key has failed, or the sensor in the lock cylinder, or the control module.The anti-theft system disables the starter and the fuel injectors. You could bypass those circuits to get the car started.

A mechanic would check for power at the starter, the neutral safety switch, and the key switch. If the security light in the cluster is on, you could have a problem with the chip in the key or the sensor in the lock cylinder.

does it have a remote start in it some times they can cause problems or you need a new ing switch and if the anti theft light comes on and the car wont start but turns over put the key in the ing switch and leave in on pos for 15 to 20 min to reset anti theft system.

ANTI-THEFT SYSTEM Passive anti-theft systemYour ignition key has a unique imbedded transponder which engages engine electronics and allows the vehicle to be started.Without the use ofyour specialignition key, the vehicle will notstart.

During each vehicle start, the coded key is read by the anti-theft system. If the key’s ID code matches the code in the anti-theft system, the vehicle is enabled to start.

Anti-theft systemBriefly illuminates when the ignition is turned to the ON position to verify that the passive anti-theft system is operating
properly.

I have a service manual. I suppose you are talking about the anti-theft system. It says that if there is power going to the starter when you try and start that the anti-theft system is ok and that means that it is allow the car to start. If there is not power to the starter then your anti-theft system is stopping the car from starting for some reason.